Name:    Lesson 4 - Renaming Numbers

Multiple Choice
Identify the choice that best completes the statement or answers the question.

1.

The area, in square kilometres, of the world’s oceans is shown in the chart below.
 Ocean Area (km2) Arctic 14 056 000 Atlantic 76 762 000 Indian 68 556 000 Pacific 155 557 000 Southern 20 327 000
Source: WorldAtlas.com

Which represents the area of the Indian ocean in decimal millions with two decimal places?
 a. 6.86 km2 b. 685.56 km2 c. 68.56 km2

2.

Refer to the chart in question 1. Which represents the area of the Pacific Ocean in decimal millions with one decimal place.
 a. 155.6 km2 b. 1.6 km2 c. 15.6 km2

3.

Refer to the chart in question 1. Which represents the area of the Southern Ocean in decimal millions with one decimal place.
 a. 20.3 km2 b. 2032.7 km2 c. 203.3 km2

4.

The area, in square kilometres, of the land and water surfaces of the Earth are shown in the chart below.
 Surface Area (km2) Surface area 510 066 000 Land area 148 647 000 Ocean area 335 258 000 Total Water area 361 419 000
Source: WorldAtlas.com
Which represents the surface area in decimal millions with two decimal places?
 a. 5.10 km2 b. 51.01 km2 c. 510.07 km2

5.

The land area of the Earth is about 148.6 million square kilometres. The total water area of the Earth is about 361.4 million square kilometres. How much more area is water than land?
 a. 510 million km2 b. 2.43 million km2 c. 212.8 million km2

6.

What is the missing number?

5.7 million = ones
 a. 5 700 000 ones b. 570 000 ones c. 5 700 ones

7.

What is the missing number?

4800 thousands = millions
 a. 48 millions b. 4.8 millions c. 0.48 millions

8.

What is the missing number?

0.52 millions = ones
 a. 5200 ones b. 520 000 ones c. 5 200 000 ones

9.

Which number represents 26.3 million in standard form?
 a. 26 300 000 b. 2 630 000 c. 263 000 000

10.

Which number represents 0.06 million in standard form?
 a. 6000 b. 600 000 c. 60 000